21269176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3637}}^1$

素因数の和:3703

約数の個数: 32

約数和(自身を含む): 43219440

約数和(自身を除く): 21950264

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3637, 5848, 7274, 14548, 29096, 61829, 123658, 156391, 247316, 312782, 494632, 625564, 1251128, 2658647, 5317294, 10634588, 21269176]

約数ペア:

[(1, 21269176), (2, 10634588), (4, 5317294), (8, 2658647), (17, 1251128), (34, 625564), (43, 494632), (68, 312782), (86, 247316), (136, 156391), (172, 123658), (344, 61829), (731, 29096), (1462, 14548), (2924, 7274), (3637, 5848)]